<?php get_header(); ?> 
<?php if(have_posts()):while(have_posts()):the_post(); ?>
<section id="content">
    <div class="block single-style2">
        <h1>404！！</h1>
        <p>糟糕！忘记写404模板了</p>
    </div>



</section>
<?php endwhile;endif; ?>
<?php get_footer(); ?>